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A 35-year-old female asked:

8 year old boy broke out in hives briefly on both lower legs. vomited one time approximately 20 hours later. headache, not feeling well. no fever?

1 doctor answer2 doctors weighed in
Dr. John Chiu
Allergy and Immunology 58 years experience
Viral: These symptoms can be caused by a viral infection. even when there is no fever. I suspect he will recover within 10 days. If he gets much worse , be sure to get him to a doctor. If he is still vomiting, be sure to keep him well hydrated with both water and electrolytes
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Last updated Feb 11, 2017

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